1 files changed, 2 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseLib/GetPowerOfTwo64.c b/MdePkg/Library/BaseLib/GetPowerOfTwo64.c
index 4623c2a656..3574bc4d3c 100644
--- a/MdePkg/Library/BaseLib/GetPowerOfTwo64.c
+++ b/MdePkg/Library/BaseLib/GetPowerOfTwo64.c
@@ -1,7 +1,7 @@
 /** @file
   Math worker functions.
 
-  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -40,5 +40,5 @@ GetPowerOfTwo64 (
     return 0;
   }
 
-  return LShiftU64 (1, HighBitSet64 (Operand));
+  return LShiftU64 (1, (UINTN) HighBitSet64 (Operand));
 }